Question

please explain it in detail

Answer 1

Let A age be x and B age be y.
A=20+B
x=20+y----------->(1)
A=6 (B)
x=6y----------->(2)
substituting 2 in 1
6y=20+y
6y-y=20
5y=20
y=4
x=20+4=24
therefore age of A is 4 years and B is 24 years. I hope this is helpful if so mark as brainliest answer plzzz